<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>计算金额</title>
<script type="javascript">
	var price=88;
	var number=8;
	var sum=price*number;
	alert(sum);
	document.write("<h1>This is a heading</h1>");
</script>
</head>
<body>

</body>
</html>